Visaton WS300

12" · 8 Ω · 150 W · 92.5 dB · datasheet ↗

Thiele-Small parameters

Nominal size	12"
Impedance	8 Ω
Fs	22 Hz
Qts	0.321
Qes	0.39
Qms	1.8
Vas	340 L
Sd	507 cm²
Xmax	8 mm
Re	6.6 Ω
Bl	11.4 T·m
Mms	55.5 g
Pe	150 W
Sensitivity	92.5 dB

Alignment hint

EBP	56 · flexible
Sealed Vb (Qtc ≈ 0.71)	≈ 88.3 L

EBP 50-100: works in either a sealed or ported alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

Driver	Fs (Hz)	Qts	Vas (L)	Xmax (mm)	Sens (dB)	Fit	Notes	Compare
Artech ART33.2	23 +1	0.335 +0.01	340 =	7 -1	92.7 +0.2	close	100 W vs 150 W: lower power handling · Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
Visaton W300S8	23 +1	0.335 +0.01	340 =	7 -1	92.7 +0.2	close	Xmax 7 mm < 8 mm: lower excursion-limited SPL	+
Wharfedale 3014	20.7 -1.3	0.342 +0.02	319.1 -20.9	8 =	92.2 -0.3	close	100 W vs 150 W: lower power handling	+
Fostex SLE 30 W	22 =	0.302 -0.02	293 -47	9.5 +1.5	92.8 +0.3	close		+
Focal 12V 726	19 -3	0.267 -0.05	340 =	9 +1	92 -0.5	close		+
Davis 31ST12M v2009	22 =	0.39 +0.07	398 +58	9 +1	91.8 -0.7	close	100 W vs 150 W: lower power handling	+
Audiotechnology FLEXUNIT 12B775210KAP Custom	19 -3	0.382 +0.06	340 =	8.6 +0.6	91.2 -1.3	usable		+
Monacor SPH-300KE	22 =	0.331 +0.01	250 -90	6.5 -1.5	91.8 -0.7	usable	Xmax 6.5 mm < 8 mm: lower excursion-limited SPL	+
Audiotechnology FLEXUNIT 12D775210KAP Custom	19 -3	0.388 +0.07	340 =	8.6 +0.6	91.1 -1.4	usable		+
Audiotechnology 12D772510KAP	19 -3	0.257 -0.06	340 =	8.6 +0.6	93.1 +0.6	usable		+

Compare the closest 3 against the WS300 →

Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size required. A hint, not a simulation, model the swap before cutting or buying.

Used in enclosures (0)

No enclosure in the catalog uses this driver yet.